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2. Mekarski system - Wikipedia

   en.wikipedia.org/wiki/Mekarski_system

   The compressed air was generated by a compressor driven by a water Jonval turbine with water from the Aare. The filling station was at Bärengraben. The filling station was at Bärengraben. It was an advantage that the cars on the return trip had to go only downhill, so when they run out of air, they had still the possibility to reach the ...

3. Lifting gas - Wikipedia

   en.wikipedia.org/wiki/Lifting_gas

   Hydrogen, being the lightest existing gas (7% the density of air, 0.08988 g/L at STP), seems to be the most appropriate gas for lifting. It can be easily produced in large quantities, for example with the water-gas shift reaction or electrolysis, but hydrogen has several disadvantages: Hydrogen is extremely flammable.

4. Compressed-air vehicle - Wikipedia

   en.wikipedia.org/wiki/Compressed-air_vehicle

   The tanks must be designed to safety standards appropriate for a pressure vessel, such as ISO 11439. [7]The pressure vessels or air storage tanks that can be used in compressed-air vehicles can be made of low pressure (9 atm (130 psi)) or high pressure (more than 240 atm (3,500 psi)), and can be made of composite materials like thermoplastic and fiber reinforced thermoplastics, [6] [8] that ...

5. Compressed-air car - Wikipedia

   en.wikipedia.org/wiki/Compressed-air_car

   Compressed air cars do not rely on petrol stations or an electric grid. While centralized infrastructure might not be needed, it is an option. Tankage can be directly shipped, or a pipeline can be utilized.Compressed air is normally filtered to protect the compressor machinery. Therefore, discharge air has very little suspended dust.

6. Compressed air - Wikipedia

   en.wikipedia.org/wiki/Compressed_air

   Compressed air is an important medium for the transfer of energy in industrial processes and is used for power tools such as air hammers, drills, wrenches, and others, as well as to atomize paint, to operate air cylinders for automation, and can also be used to propel vehicles. Brakes applied by compressed air made large railway trains safer ...

7. 15 Things You Should Always Buy at the Thrift Store ... - AOL

   www.aol.com/15-things-always-buy-thrift...

   To spruce up baskets she finds at thrift stores, Ashley uses a portable vacuum cleaner, compressed air, or a damp cloth to wipe them down. Related: These Are the 9 Antique Trends New—and ...